13215180 has 48 divisors (see below), whose sum is σ = 40368384. Its totient is φ = 3203520.

The previous prime is 13215151. The next prime is 13215187. The reversal of 13215180 is 8151231.

13215180 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13215187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9352 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (841008).

Almost surely, 2^13215180 is an apocalyptic number.

13215180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13215180 is an abundant number, since it is smaller than the sum of its proper divisors (27153204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13215180 is a wasteful number, since it uses less digits than its factorization.

13215180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046 (or 20044 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 13215180 is about 3635.2689033963. The cubic root of 13215180 is about 236.4237097620.

It can be divided in two parts, 132151 and 80, that added together give a palindrome (132231).

The spelling of 13215180 in words is "thirteen million, two hundred fifteen thousand, one hundred eighty".